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- References

No definition available.

Name:	nmmc_FounderSharesAbstract
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Period of time after the completion of initial Business Combination in which initial shareholders are not permitted to transfer, assign or sell any of their held Founder Shares, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	nmmc_HoldingPeriodForTransferAssignmentOrSaleOfFounderShares
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Data Type:	xbrli:durationItemType
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Number of trading days for common stock price to exceed threshold, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

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The ownership interest percentage threshold for the Company's issued and outstanding shares after the Initial Public Offering for the Founder Shares.

No definition available.

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Ratio applied to the conversion of stock, for example but not limited to, one share converted to two or two shares converted to one.

No definition available.

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Threshold period after the initial Business Combination for the common stock price to exceed the threshold price per share, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

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Threshold period of specified trading days that common stock price exceeds threshold price per share, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	nmmc_TradingDaysThreshold
Namespace Prefix:	nmmc_
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The cash inflow from the additional capital contribution to the entity.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585

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Price of a single share of a number of saleable stocks of a company.

No definition available.

Name:	us-gaap_SharePrice
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Number of shares issued which are neither cancelled nor held in the treasury.

No definition available.

Name:	us-gaap_SharesOutstanding
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Data Type:	xbrli:sharesItemType
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Period Type:	instant

Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders.

No definition available.

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